Improvement in wash-boilers



PATENT QFFICE.

BARNARD T. FELLOWS, OF LANCASTER, PENNSYLVANIA.

IMPROVEMENT IN WASH-BOILERS.

Specification forming part of Letters Patent No. 118,442, dated August 29, 1871.

To all whom it may concern:

Be it known that I, BARNARD T. FELLOWS, of the city and county of Lancaster, in the State of Pennsylvania, have invented certain Improvements in Steam Washing-Boilers, of which the following is a specification: I

The object of this invention is to radiate the boiling water from the center to the circumference so discharged and confined as to lead the generated steam direct to the mouths of the tubes or discharging-spouts, and more efi'ectually to perform their office than when otherwise arranged, by means of the construction of the portable bottom, and its peculiarly-radiated corrugat1ons,perforations, and underlying water-channels, and a central spray-pipe preventing the steam from forcing the water up through other points.

The accompanying drawing shows the con struction of this improvement. Figure l is a vertical section with the central pipe omitted. Fig. 2 is the upper surface of the false bottom A, showing the corrugated radiating convex sections 0 and perforated sections D over the water-channels E; Fig. 3, the under side, all closed except pipe G, and water-ways F on their outer limb, next the sides of the boilers, showing six pipes.

The boiler, as in other cases, may be of any desired size. I employ a spigot,which I do not deem of special novelty; nor do I lay much stress upon the number of pipes used, whether four, six, or eight-less than four I do not design to usewhether attached to the sides of the boiler or upon the portable bottom A. What I deem new and a valuable improvement is to corrugate the false bottom, so that the corrugations radiate from a central opening considerably elevated by sloping toward the circumference. Those portions leading to the pipes marked G are arched or convex, and not perforated; the intermediate spaces, fiat or concave and perforated, marked D. Under these perforated portions D there is a channel or trough, E, open only to and on the sides of the bottom of the open-mouthed tubes or pipes T. These tubes may be straight, gradually tapered, and have a top piece, t, set on or made in one piece and curved over at the top, as separately shown. The elevated center of the bottom A has an opening with a pipe, Gr, attached to the under side, and a cap, H, over the orifice, but slightly elevated, for the purpose herein mentioned. F, (Fig. 1,) represents a foot or flangebase.

Having described the construction, I will now explain the operation: The raised corrugations G will support the goods within the boiler, and

prevent them from packing so tightly as to impede the action of the boiling water from the center to the circumference, and as the boiling waterbeneath the bottom generates steam, it cannot escape otherwise than through the pipes T around the circumference and central pipe. The object of the central spray-pipe G and cap is to deflect the water and steam from the center to wash off the sediment or dirt that may lodge, and promote the action of the steam and watercurrent through the perforations and under channels, thus radiated and conveyed to the open steam and water-pipes, through which alone the steam can escape, and must necessarily carry the water with it in a constant stream while boiling.

The advantages by this combined arrangement, and the niunber of outlets around the circle or circumference discharging a constant stream upon the goods to be washed, is found practically to surpass a single central pipe with sprays or multiplied outlets, or simply tWo side pipes connected with portable bottoms perforated so as to allow the steam and dirty water to boil up in the central portions or inside the pipes, or when otherwise formed and constructed. By thus radiating and conveying the boiling fluid to the circumference I do not only gain a more perfect action through the tubes T upon the upper surface of the goods contained in the boiler, but by means of my central spray-spout or pipe, checked by the cap, I radiate an under current of active steam and Watera cleansing powerupon the under portion of goods to be washed, and in which the sediment usually becomes entangled or lodged.

By the addition of the pipe and spigot to the bottom of the boiler I can draw off the dirty water from time to time, and add clean boiling water without removing the boiler or interrupting the continuous action.

I am aware that numerous deviceshave already been patented to produce the same results, as claimed for them respectively ,but I am not aware that the arrangement of abottom having radiating corrugations D 0 combined with water-channels E from a closed central point opening between the spouts around the circumference, toadeflecting-cap,H,in combinationwiththewatergether with a central spray-pipe, G, and deflectchannels E under the perforations D, all arranged ing-cap H, has ever been known or used before. in the manner and for the purpose specified. Clherefore BARNARD T. FELLOWS.

What I claim as my invention is The false bottom A in steam wash-boilers, when Witnesses: the same is centrally elevated, and corrugations WM. 13. WILEY, D O radiate from the orifice of a pipe G, under JACOB STAUFFER. 

